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Finding the Fourth Proportional to 80,016.60, 120,025.89 and 23,858.55

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Solution

The fourth proportional to 80,016.60, 120,025.89 and 23,858.55 is: 35,788.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,016.60 : 120,025.89 = 23,858.55 : x
  2. Step 2: Convert to fraction form
    80,016.60/120,025.89 = 23,858.55/x
  3. Step 3: Cross multiply
    80,016.60x = 120,025.89 × 23,858.55
  4. Step 4: Simplify right side
    80,016.60x = 2,863,643,697.86
  5. Step 5: Solve for x
    x = 2,863,643,697.86/80,016.60
  6. Step 6: Final answer
    x = 35,788.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.